[
Information
| Pairings & results
| Crosstable
| 1st
| 2nd
| 3rd
| 4th
| 5th
| 6th
| 7th
| 8th
| 9th
| Openings
| Annotations
]
Round 1
7 July 1973
| Coldrick |
½-½ |
McMahon |
| Cootes |
0-1 |
Heidenfeld |
| Dennehy |
½-½ |
Kennefick |
| Doyle |
1-0 |
Cafferky |
| Henry |
1-0 |
Blair |
| Littleton |
0-1 |
Quigley |
| MacGrillen |
1-0 |
Kennedy |
| Ó Briain |
0-1 |
Cox |
| Pinkerton |
½-½ |
Cassidy |
Scores after round 1
| Cox | 1 |
| Doyle | 1 |
| Heidenfeld | 1 |
| Henry | 1 |
| MacGrillen | 1 |
| Quigley | 1 |
| Cassidy | ½ |
| Coldrick | ½ |
| Dennehy | ½ |
| Kennefick | ½ |
| McMahon | ½ |
| Pinkerton | ½ |
| Blair | 0 |
| Cafferky | 0 |
| Cootes | 0 |
| Kennedy | 0 |
| Littleton | 0 |
| Ó Briain | 0 |